455450321 has 4 divisors (see below), whose sum is σ = 459036672. Its totient is φ = 451863972.

The previous prime is 455450269. The next prime is 455450327. The reversal of 455450321 is 123054554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 455450321 - 2¹⁰ = 455449297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455450327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792985 + ... + 1793238.

It is an arithmetic number, because the mean of its divisors is an integer number (114759168).

Almost surely, 2^455450321 is an apocalyptic number.

It is an amenable number.

455450321 is a deficient number, since it is larger than the sum of its proper divisors (3586351).

455450321 is a wasteful number, since it uses less digits than its factorization.

455450321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586350.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 455450321 is about 21341.2820842610. The cubic root of 455450321 is about 769.3908270108.

The spelling of 455450321 in words is "four hundred fifty-five million, four hundred fifty thousand, three hundred twenty-one".